DCS-7800R3-36D-LC# Overview
The Arista is a high-performance modular line card designed for integration into Arista’s 7800R3 series modular chassis switches, purpose-built for modern, high-capacity data centers and cloud-scale environments. This particular model provides 36 ports of 400GbE QSFP-DD interfaces, enabling dense, high-bandwidth connectivity suitable for core routing, spine networking, or AI/ML cluster interconnects. Built for scalability, the line card delivers a massive 14.4 Tbps of switching capacity and a forwarding rate of 6 billion packets per second (Bpps).